extends Node
class_name 基础树状态类

func 进入() -> void:
	pass

func 离开() -> void:
	pass

func 切换状态(state_name: StringName) -> void:
	get_parent().切换状态(state_name)

func 刷新(_delta) -> void:
	pass

func 物理刷新(_delta) -> void:
	pass

func on_input(_event: InputEvent):
	pass

func on_gui_input(_event: InputEvent):
	pass

func on_mouse_entered():
	pass

func on_mouse_exited():
	pass

func on_drag_data():
	pass
